Home / 500,511.72-690,702.75-271,063.73

Finding the Fourth Proportional to 500,511.72, 690,702.75 and 271,063.73

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Solution

The fourth proportional to 500,511.72, 690,702.75 and 271,063.73 is: 374,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,511.72 : 690,702.75 = 271,063.73 : x
  2. Step 2: Convert to fraction form
    500,511.72/690,702.75 = 271,063.73/x
  3. Step 3: Cross multiply
    500,511.72x = 690,702.75 × 271,063.73
  4. Step 4: Simplify right side
    500,511.72x = 187,224,463,736.26
  5. Step 5: Solve for x
    x = 187,224,463,736.26/500,511.72
  6. Step 6: Final answer
    x = 374,066.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.